Texas Instruments TPS62851 EVM-139 Series Скачать руководство пользователя страница 10

5.2 Bill of Materials

Table 5-1

 lists the BOM for this EVM.

Table 5-1. TPS62851xEVM-139 BOM

QTY

REF DES

VALUE

DESCRIPTION

SIZE

PART NUMBER

MFR

-001

-002

-003

1

1

1

C1

470 pF

Ceramic Capacitor, 50 V, X7R

0402

any

1

1

1

C2

0.47 µF

Ceramic Capacitor, 16 V, X7R

0603

GRM188R71C474KA88
D

MuRata

3

3

3

C3, C5, 
C6,C11

10 µF

Ceramic Capacitor, 10 V, X7R

0603

GRM188Z71A106MA73
D

MuRata

1

1

1

C4

0.1 µF

Ceramic Capacitor, 16 V, X7R

0402

any

1

1

1

C7

100 µF

Polymer Capacitor, 20 V

7.3x4.3 mm

20TQC100MYF

Panasonic

1

1

1

C8

10 pF

Ceramic Capacitor, 50 V, COG/NPO

0402

GCM1555C1H100JA16
D

MuRata

2

2

2

C9, C10

22 µF

Ceramic Capacitor, 10 V, X7R

1206

GCM31CR71A226KE02 MuRata

1

1

1

L1

470 nH

Inductor

1008

DFE201210U-R47M

MuRata 
Toko

1

1

1

R1

80.6 kΩ

Resistor 1%, 0.1 W

0402

any

1

1

1

R2

40.2 kΩ

Resistor 1%, 0.1 W

0402

any

1

1

1

R3

100 kΩ

Resistor 1%, 0.1 W

0402

any

1

1

1

R4

8.06 kΩ

Resistor 1%, 0.1 W

0402

any

0

0

1

U1

2.7-V to 6-V Adjustable-Frequency Step-Down 
Converter

SOT583

TPS628510DRLR

Texas 
Instruments

0

1

0

U1

2.7-V to 6-V Adjustable-Frequency Step-Down 
Converter

SOT583

TPS628511DRLR

Texas 
Instruments

1

0

0

U1

2.7-V to 6-V Adjustable-Frequency Step-Down 

Converter

SOT583

TPS628512DRLR

Texas 
Instruments

6 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision * (August 2020) to Revision A (June 2021)

Page

• Added the TPS628510.......................................................................................................................................

2

Schematic and Bill of Materials

www.ti.com

10

TPS62851xEVM-139 Evaluation Module

SLVUBY6A – AUGUST 2020 – REVISED JUNE 2021

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Copyright © 2021 Texas Instruments Incorporated

Содержание TPS62851 EVM-139 Series

Страница 1: ...mplete schematic diagram printed circuit board layouts and bill of materials are included in this document Table of Contents 1 Introduction 2 2 Setup 3 3 TPS62851xEVM 139 Test Results 3 4 Board Layout...

Страница 2: ...e provided These capacitors are not required for proper operation but can be used to reduce the input and output voltage ripple and to improve the load transient response For proper operation the tota...

Страница 3: ...o force the device in fixed frequency PWM operation at all load currents Place the jumper across MODE SYNC and GND to enable power save mode Connect a clock signal to MODE SYNC referenced to GND to sy...

Страница 4: ...9 board layout See the TPS62851xEVM 139 tool page for more detail Figure 4 1 Top Silk Board Layout www ti com 4 TPS62851xEVM 139 Evaluation Module SLVUBY6A AUGUST 2020 REVISED JUNE 2021 Submit Documen...

Страница 5: ...Figure 4 2 Top Layer www ti com Board Layout SLVUBY6A AUGUST 2020 REVISED JUNE 2021 Submit Document Feedback TPS62851xEVM 139 Evaluation Module 5 Copyright 2021 Texas Instruments Incorporated...

Страница 6: ...Figure 4 3 Layer 2 Board Layout www ti com 6 TPS62851xEVM 139 Evaluation Module SLVUBY6A AUGUST 2020 REVISED JUNE 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated...

Страница 7: ...Figure 4 4 Layer 3 www ti com Board Layout SLVUBY6A AUGUST 2020 REVISED JUNE 2021 Submit Document Feedback TPS62851xEVM 139 Evaluation Module 7 Copyright 2021 Texas Instruments Incorporated...

Страница 8: ...Figure 4 5 Bottom Layer Board Layout www ti com 8 TPS62851xEVM 139 Evaluation Module SLVUBY6A AUGUST 2020 REVISED JUNE 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorporated...

Страница 9: ...rdGND 0 01uF C13 NT1 Net Tie NT2 Net Tie GND 470nH L1 GND GND GND GND 470nF C2 GND GND GND GND GND 10 F C3 10 F C11 10 F C5 10 F C6 5 4 1 2 3 6 J1 5 4 1 2 3 6 J2 1 2 3 JP1 1 2 3 JP2 1 2 JP3 0 1 F C4 4...

Страница 10: ...R47M MuRata Toko 1 1 1 R1 80 6 k Resistor 1 0 1 W 0402 any 1 1 1 R2 40 2 k Resistor 1 0 1 W 0402 any 1 1 1 R3 100 k Resistor 1 0 1 W 0402 any 1 1 1 R4 8 06 k Resistor 1 0 1 W 0402 any 0 0 1 U1 2 7 V...

Страница 11: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Страница 12: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Страница 13: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Страница 14: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Страница 15: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Страница 16: ...are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reproduction and...

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